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     82    

82 Pb Lead

Metal, mass: 207.2 u, 3 stable isotopes (206, 207, 208), abundance rank (earth/space): 35/43

Click image to magnify. Ultrapure lead bead from two sides. Original size in cm: 1.5 x 2
Lead bead Lead bead back side
Lead is known since ancient times and was widely used then. This often caused big sanitary problems, because its compounds are quite toxic. 208Pb is the last stable isotope in the periodic table and the end of the thorium decay chain. Therefore lead is quite abundant for an element with such a high number. Lead is a dark grey, very heavy and soft metal with a low melting point. Amongst others, it is used for weights and for radiation protection.

Lead weight Lead pieces
Left: Small lead weight, 0.4 cm.
Right: two pieces of lead, 11 grams, 1 x 1.5 cm each.


Creative Commons License The images are licensed under a Creative Commons Attribution 3.0 Unported License, unless otherwise noted. Attribution by linking to the according element page.